{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["concept or principle", "manufacturing process", "machine or equipment", "biomedical", "process characterization", "material"], "input": "This work presents a complete investigational survey on various additive manufacturing techniques , integration of digital pre-processing procedures , and product-based process designing ."}
{"concept or principle": ["process"], "manufacturing process": ["additive manufacturing"], "machine or equipment": [], "biomedical": [], "process characterization": [], "material": []}